Washington, DC 20015 solar market data
Updated July 16, 2026 By The SolarDNA Data Team
Washington 20015 has 601 solar installations, installations up 122.2% over the trailing twelve months, and a Market Score of 58 — higher than 99% of U.S. zip markets.
Zip Market Score
Excellent · higher than 99% of zips
Versus District of Columbia
How 20015 compares with the state
Installed cost
—
state median —/W
Market score
58 vs 48
District of Columbia scores 48
Share of state installs
2.47%
of 24.3K tracked statewide
Battery attach
0.0%
state 0.0%
Statewide momentum
▲ 10.2%
residential solar added in District of Columbia, 12 months through Jul 2026
Statewide market
32.2K systems
23.9% of homes · utility-reported through Jul 2026
Next-12-month outlook: 117–159 installs (midpoint 138)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±15% band. Not a forecast of permits or policy.
Growth & pricing
20015 by year
120 installs in the trailing twelve months vs 54 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 20015
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| No installer has recorded systems here yet. | |||||
Equipment
What gets installed in 20015
Share of systems with a recorded brand
Modules
REC GROUP12.7%
CSI SOLAR10.3%
PEIMAR9.5%
QCELLS NORTH AMERICA8.3%
BOVIET SOLAR TECHNOLOGY7.9%
Inverters
ENPHASE ENERGY58.5%
SOLAREDGE29.3%
SUNPOWER8.8%
TESLA2.0%
UNKNOWN1.4%
Frequently asked
Quick answers about 20015
How many solar installations are there in 20015?
SolarDNA counts 601 active solar installations in Washington 20015, 588 of them residential, with data through July 16, 2026.
How much does solar cost in 20015?
Not enough priced systems in 20015 to report a median.
Is solar growing in 20015?
Installations in 20015 are up 122.2%: 120 in the trailing twelve months versus 54 before.
Who installs solar in 20015?
No installer has enough recorded systems in 20015 to rank yet.
Is 20015 a good market for solar sales?
20015 scores 58 out of 100 (Excellent, higher than 99% of U.S. zip markets).